You can read all 5 reasons at the source.
4. Two more words: Boyd Crowder. Although this is Raylan’s story, it’s harder than ever to take your eyes of Walton Goggins’ electrifying performance as Boyd Crowder, a former hellraiser trying to stick to the straight and narrow. There’s just one problem: No matter how hard he tries, nobody’s buying it, least of all Raylan. “Boyd is on this journey of self-discovery and he’s looking for one thing: to be absolutely numb,” Goggins says. “But people won’t leave him alone.” He will find one friendly soul, however, and it could grow into an unexpected romance. “What Boyd may very well wind up believing in is love,” Goggins says.